N. I. D. Wiesche

activity

20232026

most citedDetermination of spin-parity quantum numbers of X(2370) as

0^{-+}

from

J / ψ \to γ K_{S}^{0} K_{S}^{0} η^{'}

40 citations · 342 across the 185 of their papers we have counts for

collaborators

191 papers

hep-ex2026

Search for the charged lepton flavour violating decay $η^{'} \to e μ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +765

Based on $(8998 \pm 40) \times 1 0^{6}$ $J / ψ$ events collected in $e^{+} e^{-}$ collisions at $s = 3.097$ GeV with the BESIII detector, we present a search for the charged lepton flavou…

hep-ex2026

Proof of principle for nucleon polarization measurement at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +754

A novel technique for measuring the spin polarization of final-state nucleons in a general-purpose spectrometer is validated. Using $10.09 \times 1 0^{9}$ $J / ψ$ events at BESIII, the…

hep-ex2026

Study of the $e^{+} e^{-} \to π^{+} π^{-} D_{s}^{+} D_{s}^{-}$ process from $s$ = 4.42 to 4.95 GeV at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +782

Based on $8.5 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.42 and 4.95 GeV with the BESIII detector at the BEPCII storage ring, we inves…

hep-ex2026

Study of $Λ ˉ$ - $p$ Annihilation into Light Mesons

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

The annihilation of $Λ ˉ$ - $p$ into light mesons is studied using $(10.087 \pm 0.044) \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector at the BEPCII storage ring. The $\…

hep-ex2026

Search for $ψ_{0} (4360) \to η ψ (2 S)$ through the process $e^{+} e^{-} \to η η ψ (2 S)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +763

Using data samples corresponding to an integrated luminosity of 0.9~fb $^{- 1}$ collected with the BESIII detector operating at the BEPCII storage ring at the center-of-mass energies…

hep-ex2026

Amplitude analysis and branching fraction measurement of $J / ψ \to Λ Σ ˉ^{0} η + c.c$

BESIII Collaboration, M. Ablikim, M. N. Achasov +703

Based on a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, a partial-wave analysis of $J / ψ \to Λ Σ ˉ^{0} η + c.c$ is performed for th…

hep-ex2026

Cross section measurement of $e^{+} e^{-} \to π^{0} π^{0} ψ (3686)$ from $s =$ 4.008 GeV to 4.951 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +682

Using data samples with a total integrated luminosity of $22.1 f b^{- 1}$ at center-of-mass energies between 4.008 and 4.951~GeV collected with the BESIII detector, the cross sec…

hep-ex2026

Measurements of the branching fractions of $χ_{c J} \to 2 K^{+} 2 K^{-} ω$ and $ϕ K^{+} K^{-} ω$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

Using a data sample of $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, we report the first observation of th…

hep-ex2026

Precise measurements of $D^{0} \to K^{-} ℓ^{+} ν_{ℓ}$ and $D^{+} \to K ˉ^{0} ℓ^{+} ν_{ℓ}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

Using $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 20.3 fb $^{- 1}$ , collected at the center-of-mass energy of 3.773 GeV with the BESIII detector, we present…

hep-ex2026

First Experimental Constraint on the Scalar Current in the $D^{0 (+)} \to K ˉ ℓ^{+} ν_{ℓ}$ Transition

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

Using 20.3 fb $^{- 1}$ of $e^{+} e^{-}$ collision data taken at the center-of-mass energy of $s = 3.773$ GeV, we report the first experimental constraint on the scalar current in the…

hep-ex2026

First Observation of $D^{0 (+)} \to K ˉ ω e^{+} ν_{e}$ and Determination of the Branching Fraction of $K ˉ_{1} (1270) \to K ˉ ω$

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Using 20.3~fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at a center-of-mass energy of 3.773~GeV with the BESIII detector, we report the first observation of the semileptonic d…

hep-ex2025

Study of $K ˉ^{*} (892)^{0} η$ and $K_{S}^{0} a_{0} (980)^{0}$ in the $D^{0} \to K_{S}^{0} π^{0} η$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +666

We perform an amplitude analysis of the decay $D^{0} \to K_{S}^{0} π^{0} η$ and measure its absolute branching fraction to be $(1.016 \pm 0.013_{\text {stat.}} \pm 0.014_{\text {syst.}})\%…

hep-ex2025

Observation and branching fraction measurements of $χ_{c J} \to p p ˉ K_{S}^{0} K_{S}^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +703

Based on $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected with the BESIII detector, the decays $χ_{c J} \to p p ˉ K_{S}^{0} K_{S}^{0}$ ( $J = 0, 1, 2$ ) are observed for the fir…

hep-ex2025

Cross sections measurement of $e^{+} e^{-} \to Ξ (1530)^{0} Ξ ˉ^{0} + c . c .$ and search for $ψ (3770) \to Ξ (1530)^{0} Ξ ˉ^{0} + c . c .$

BESIII Colaboration, :, M. Ablikim +681

Using $e^{+} e^{-}$ collision data collected with the BESIII detector corresponding to an integrated luminosity of 44.2 fb $^{- 1}$ , we measure the Born cross sections for the process $e^…

hep-ex2025

Measurements of the branching fractions of $χ_{c J} \to ϕϕ η, ϕϕ η^{'}$ and $ϕ K^{+} K^{-} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +683

Using a sample of $(2712.4 \pm 14.3) \times 1 0^{6} ψ$ (3686) events collected by the BESIII detector at the BEPCII collider, we measure the branching fractions of the decays $χ_{cJ}\t…

hep-ex2025★ 1 cited

Evidence for the semileptonic decays $Λ_{c}^{+} \to Σ^{\pm} π^{\mp} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +680

Using $4.5 f b^{- 1}$ of $e^{+} e^{-}$ collision data collected by the BESIII detector at center-of-mass energies between $4.600$ and $4.699 G e V$ , we search for the semileptonic decays…

hep-ex2025

Search for the decays $X (3872) \to K_{S}^{0} K^{\pm} π^{\mp}$ and $K^{*} (892) K ˉ$ at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Using a 10.9 fb $^{- 1}$ data sample collected by the BESIII detector at center-of-mass energies from 4.16 to 4.34 GeV, we search for the charmless decays $X(3872) \to K_{S}^{0}K^{\p…

hep-ex2025

Amplitude Analysis and Branching Fraction Measurement of $D^{+} \to π^{+} π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +686

We present the first amplitude analysis of the hadronic decay $D^{+} \to π^{+} π^{0} π^{0}$ , using $e^{+} e^{-}$ collision data collected with the BESIII detector at a center-of-mass energy of…

hep-ex2025

First measurement of the absolute branching fractions of $Σ^{+}$ nonleptonic decays and test of the $Δ I = 1/2$ rule

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector at the center-of-mass energy $s = 3.097$ GeV, the first absolute measurement of the branc…

hep-ex2025

Measurement of the branching fraction of $η \to μ^{+} μ^{-}$ and search for $η \to e^{+} e^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +702

We analyze the decay of $η \to ℓ^{+} ℓ^{-} (ℓ = e, μ)$ via $J / ψ \to γ η^{'}$ and $η^{'} \to π^{+} π^{-} η$ , based on (10087 $\pm$ 44) $\times$ 10 $^{6}$ $J / ψ$ events collecte…

hep-ex2025

Experimental study of the reaction $Ξ^{0} n \to ΛΛ X$ using $Ξ^{0}$ -nucleus scattering

BESIII Collaboration, M. Ablikim, M. N. Achasov +703

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector operating at the BEPCII storage ring in $2009$ , $2012$ , $2018$ , and $2019$ , we perform a search for…

hep-ex2025

Search for the lepton number violating process $Ξ^{-} \to Σ^{+} e^{-} e^{-} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +691

We present a search for the lepton number violating decay $Ξ^{-} \to Σ^{+} e^{-} e^{-} + c . c .$ with $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector at the BEPCII…

hep-ex2025

Study of the reactions $n ˉ p \to 2 π^{+} π^{-}$ , $2 π^{+} π^{-} π^{0}$ , and $2 π^{+} π^{-} 2 π^{0}$ using $J / ψ \to p π^{-} n ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

We report an experimental investigation of the reactions $n ˉ p \to 2 π^{+} π^{-}$ , $n ˉ p \to 2 π^{+} π^{-} π^{0}$ , and $n ˉ p \to 2 π^{+} π^{-} 2 π^{0}$ using $(10.087 \pm 0.0…

hep-ex2025★ 1 cited

Search for the charmonium weak decay $J / ψ \to D ˉ^{0} K ˉ^{* 0} + c.c.$

BESIII Collaboration, M. Ablikim, M. N. Achasov +699

Based on a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected at the center-of-mass energy $s$ = 3.0969 GeV with the BESIII detector, we search for the charmonium rar…

Search for the charged lepton flavour violating decay η′→eμ

Proof of principle for nucleon polarization measurement at BESIII

Study of the e+e−→π+π−Ds+​Ds−​ process from s​ = 4.42 to 4.95 GeV at BESIII

Study of Λˉ-p Annihilation into Light Mesons

Search for ψ0​(4360)→ηψ(2S) through the process e+e−→ηηψ(2S)

Amplitude analysis and branching fraction measurement of J/ψ→ΛΣˉ0η+c.c

Cross section measurement of e+e−→π0π0ψ(3686) from s​= 4.008 GeV to 4.951 GeV

Measurements of the branching fractions of χcJ​→2K+2K−ω and ϕK+K−ω decays

Precise measurements of D0→K−ℓ+νℓ​ and D+→Kˉ0ℓ+νℓ​ decays

First Experimental Constraint on the Scalar Current in the D0(+)→Kˉℓ+νℓ​ Transition

First Observation of D0(+)→Kˉωe+νe​ and Determination of the Branching Fraction of Kˉ1​(1270)→Kˉω

Study of Kˉ∗(892)0η and KS0​a0​(980)0 in the D0→KS0​π0η decay

Observation and branching fraction measurements of χcJ​→ppˉ​KS0​KS0​

Cross sections measurement of e+e−→Ξ(1530)0Ξˉ0+c.c. and search for ψ(3770)→Ξ(1530)0Ξˉ0+c.c.

Measurements of the branching fractions of χcJ​→ϕϕη,ϕϕη′ and ϕK+K−η

Evidence for the semileptonic decays Λc+​→Σ±π∓e+νe​

Search for the decays X(3872)→KS0​K±π∓ and K∗(892)Kˉ at BESIII

Amplitude Analysis and Branching Fraction Measurement of D+→π+π0π0

First measurement of the absolute branching fractions of Σ+ nonleptonic decays and test of the ΔI=1/2 rule

Measurement of the branching fraction of η→μ+μ− and search for η→e+e−

Experimental study of the reaction Ξ0n→ΛΛX using Ξ0-nucleus scattering

Search for the lepton number violating process Ξ−→Σ+e−e−+c.c.

Study of the reactions nˉp→2π+π−, 2π+π−π0, and 2π+π−2π0 using J/ψ→pπ−nˉ

Search for the charmonium weak decay J/ψ→Dˉ0Kˉ∗0+c.c.

Search for the charged lepton flavour violating decay $η^{'} \to e μ$

Study of the $e^{+} e^{-} \to π^{+} π^{-} D_{s}^{+} D_{s}^{-}$ process from $s$ = 4.42 to 4.95 GeV at BESIII

Study of $Λ ˉ$ - $p$ Annihilation into Light Mesons

Search for $ψ_{0} (4360) \to η ψ (2 S)$ through the process $e^{+} e^{-} \to η η ψ (2 S)$

Amplitude analysis and branching fraction measurement of $J / ψ \to Λ Σ ˉ^{0} η + c.c$

Cross section measurement of $e^{+} e^{-} \to π^{0} π^{0} ψ (3686)$ from $s =$ 4.008 GeV to 4.951 GeV

Measurements of the branching fractions of $χ_{c J} \to 2 K^{+} 2 K^{-} ω$ and $ϕ K^{+} K^{-} ω$ decays

Precise measurements of $D^{0} \to K^{-} ℓ^{+} ν_{ℓ}$ and $D^{+} \to K ˉ^{0} ℓ^{+} ν_{ℓ}$ decays

First Experimental Constraint on the Scalar Current in the $D^{0 (+)} \to K ˉ ℓ^{+} ν_{ℓ}$ Transition

First Observation of $D^{0 (+)} \to K ˉ ω e^{+} ν_{e}$ and Determination of the Branching Fraction of $K ˉ_{1} (1270) \to K ˉ ω$

Study of $K ˉ^{*} (892)^{0} η$ and $K_{S}^{0} a_{0} (980)^{0}$ in the $D^{0} \to K_{S}^{0} π^{0} η$ decay

Observation and branching fraction measurements of $χ_{c J} \to p p ˉ K_{S}^{0} K_{S}^{0}$

Cross sections measurement of $e^{+} e^{-} \to Ξ (1530)^{0} Ξ ˉ^{0} + c . c .$ and search for $ψ (3770) \to Ξ (1530)^{0} Ξ ˉ^{0} + c . c .$

Measurements of the branching fractions of $χ_{c J} \to ϕϕ η, ϕϕ η^{'}$ and $ϕ K^{+} K^{-} η$

Evidence for the semileptonic decays $Λ_{c}^{+} \to Σ^{\pm} π^{\mp} e^{+} ν_{e}$

Search for the decays $X (3872) \to K_{S}^{0} K^{\pm} π^{\mp}$ and $K^{*} (892) K ˉ$ at BESIII

Amplitude Analysis and Branching Fraction Measurement of $D^{+} \to π^{+} π^{0} π^{0}$

First measurement of the absolute branching fractions of $Σ^{+}$ nonleptonic decays and test of the $Δ I = 1/2$ rule

Measurement of the branching fraction of $η \to μ^{+} μ^{-}$ and search for $η \to e^{+} e^{-}$

Experimental study of the reaction $Ξ^{0} n \to ΛΛ X$ using $Ξ^{0}$ -nucleus scattering

Search for the lepton number violating process $Ξ^{-} \to Σ^{+} e^{-} e^{-} + c . c .$

Study of the reactions $n ˉ p \to 2 π^{+} π^{-}$ , $2 π^{+} π^{-} π^{0}$ , and $2 π^{+} π^{-} 2 π^{0}$ using $J / ψ \to p π^{-} n ˉ$

Search for the charmonium weak decay $J / ψ \to D ˉ^{0} K ˉ^{* 0} + c.c.$